At this moment.
on the ground.
Following Zhang Ziang's order.
Boom boom boom——
The ZAT18000H crane, which had been completely deployed, quickly started work under the command of the operator.
do. In fact, when talking about the ZAT18000H crane, one of its parts has to be mentioned:
That's its torque limiter.
Unlike ordinary self-propelled luffing jib cranes.
After the self-propelled luffing jib crane enters work, it is easy to make mistakes in the torque limiter.
The torque limiter is also called a torque limiter, a safety coupling, or a safety clutch. It connects the main engine and the working machine.
of a component.
When overloading or mechanical failure causes the required torque to exceed the set value, it limits the transmission in the form of slip.
The torque transmitted by the system.
After the overload condition disappears, the connection is restored.
This prevents mechanical damage and costly downtime.
However, in practice, the torque limiters of many cranes are often ignored before starting due to various reasons.
This leads to the expansion of the risk of accidents, or even directly causes risks.
So in order to avoid problems in this link.
At the beginning of the design of ZAT18000H, a chip was added to the thread of the torque limiter.
Sub-means monitor the torque limiter.
Therefore, during the operation of the equipment, the operator only needs to pay attention to the parameters on the display screen.
Of course.
Regarding this chip, there is another theory circulating in the crane industry that has never been acknowledged by Zoomlion.
Fa: If I have one more chip, I can sell it for a lot more money.
In Xu Yun's opinion, this statement is purely baseless and baseless.
After all, ZAT18000H cranes are mainly supplied to foreign merchants. How can we deceive those foreign merchants?
That's wrong. Where are our foreign friends?
What?
You ask what happened to the Camel Krypton Gold transaction more than 30 years ago? Those orders from last year’s air show are again
what happened?
Ahem, let’s take a look at the Himalayas in the distance, family
all in all.
As the ZAT18000H crane started to move, everyone's eyes on the entire site were locked on this crane.
giant.
Mentioned before.
The highest boom height of the ZAT18000H crane can reach 140 meters, which is equivalent to the height of nearly fifty stories.
Spend. But what it wants to lift today is just a small object with a single-digit tonnage located about 30 meters underground.
Therefore, ZAT18000H naturally does not need to be fully launched.
in this lifting project.
The height of the boom preset by Zhang Ziang and others is 44 meters, and the soil layer in the area where the crane is located has been cleared in advance.
Reinforcements were installed.
Coupled with the crane's own support device, there are no mistakes in safety.
five minutes later.
A reply came from the operator above the ground:
"Academician Zhang, the crane's support ballast, hook group, couplings, and brakes have all entered working condition.
Please convey next step instructions! "
Hearing this, Zhang Ziang looked at each other and the engineers around him, took a deep breath, and ordered:
"Non-staff personnel evacuated to the safety area of the upper foundation pit, and the hook fell on the ground!"
Finished.
Zhang Ziang led everyone back to the upper level of the foundation pit along the slope of the bottom foundation pit, and came to a safer place.
"Watch the battle" in the entire area.
at the same time.
on the ground.
Four solid hooks quickly fell from the boom of the ZAT18000H crane.
The few technicians who were still on the spot quickly fixed them to the ones that had been placed at the bottom of the apse.
The upper part is a load-bearing plate used to hold up the entire apse.
This load-bearing plate is a composite plate composed of multiple structures, the uppermost layer of which is tungsten carbide.
Tungsten has a nickname: industrial teeth.
It means that you can chew anything.
Therefore, the most common applications of tungsten are machining tools such as turning tools and milling cutters on lathes, as well as mining tools.
Mining drill bits, etc.
Tungsten carbide is a hard and brittle tungsten-containing compound.
This compound has a very high hardness, reaching 9-9.5 on the Mohs scale.
To know.
Diamond's Mohs hardness is only 10.
Tungsten carbide is commonly used in various knives, armor-piercing projectiles and aircraft carrier decks. It has high hardness and strong pressure resistance. But this thing also has a fatal problem:
Although it is difficult to deform, once deformation occurs, it can easily lead to overall breakage.
Therefore, in addition to tungsten carbide for the load-bearing plate, Zhang Ziang and the others also added cubic boron nitride and cubic boron nitride to the middle layer of the load-bearing plate.
Aramid, with silicon carbide backing.
Under normal circumstances.
Let alone an apse that has been drained of water, even if ten ears are placed on it, it will not collapse the load-bearing board at all. ten minutes later.
The four hooks were firmly fixed at the four corners of the load-bearing plate using hydraulic equipment, and the technician carefully checked them again.
Once again, he just reported:
"Report! The hooks are all in place, there is no abnormality in the stress detection, and the TOE coefficient check is correct. Please give instructions!" Zhang Ziang looked up at the ground, and a trace of determination flashed in his eyes:
"Very good, all departments, please pay attention and start raising the tone now!"
Click
Following Zhang Ziang's order.
The operator of the ZAT18000H crane quickly pressed the start button, and the boom of the entire unit began to slow down.
Lift upward slowly.
at the same time.
Including Weng Tong and Tong Huaijun.
A group of archaeologists also brought some equipment to the edge area of the second level and entered a standby state. Once an accident occurs during the lifting process and the apse structure collapses, they will immediately step forward to carry out repairs.
Or to put it bluntly, it is coffin rescue.
Then under the watchful eyes of everyone.
The crane's boom slowly lifted up from the ground with the apse. As the height increased, there were constant noises around the apse.
Blocks of dirt fell.
However, these clods of soil are just ordinary dark brown soil, which means that the marble structure inside the apse is not damaged.
Three meters.
five meters
Eleven meters
Twenty meters...
twenty five meters
that's all.
The boom and the apse rise higher and higher.
Finally, under the watchful eyes of everyone, it successfully rose above the ground.
Then the crane moved to the left. Not long after everyone lost their vision, there was a sound from the ground on the left
There was a sound of heavy objects falling to the ground.
Then, there was a cheer that was not particularly enthusiastic but very clear.
at the same time.
The communication equipment on Zhang Ziang also rang:
"Academician Zhang, the apse has been successfully moved to the preset resettlement site. There were no accidents throughout the process. Please give us the instructions!" "Very good, thank you for your hard work."
Zhang Ziang's expression relaxed slightly, he wiped the fine sweat on his forehead and said:
"You should stay put and do your protection work now. Director Jiang and the others will be up there soon."
After hanging up the communication.
Zhang Ziang looked at Jiang Chenggu again and said to him:
"Director Jiang, I will leave the above situation to you first. I will continue to stay here and try to dig Yong as soon as possible..." he said here.
Zhang Ziang suddenly paused.
He glanced at Weng Tong and changed his words:
"Try to dig up the copper palace where those blank pages are stored as soon as possible."
Jiang Chenggu and Xu Yun:
Then Jiang Chenggu and Zhang Ziang separated and led everyone back to the ground.
At this moment.
In an open space about fifty meters away from the foundation pit, there is the newly unearthed Jiajing head, Jiajing apse.
The area of the back hall is similar to what Xu Yun and the others saw when they were cleaning it before. It is more than 100 square meters in total, not too big or too small.
As for the height of the apse
In fact, it has also been tested for specific values, but when it falls to the ground at a height of nearly seven meters, it still looks a bit bluffing.
The moment I saw this apse.
Weng Tong, Tong Huaijun and several other archaeologists immediately picked up their bags, broke away from the crowd, and trotted towards the back hall quickly.
Their movements were as fast as those old perverts who saw a group of friends sharing a mysterious connection and couldn't wait to open the Thunder software, completely ignoring the existence of other people around them.
Looking at Weng Tong and others who were only shadows in a flash, Jiang Chenggu twitched the corner of his mouth twice and explained:
"That's what archaeologists do, so please be patient."
"After all, this is the first ancient emperor's tomb to be excavated in more than sixty years. It also contains the emperor's coffin. Professor Weng and the others may be a little bit unable to bear it."
Academician Pan smiled at Jiang Chenggu and took the initiative to comfort him:
"It's understandable, it's understandable. Director Jiang, to tell you the truth, we in scientific research often do this kind of thing."
“Sometimes when we hear about a team that has achieved something, if the conditions for reproduction are not too complicated, we will probably put down whatever we are doing and do the experiment.
Hear this.
Lu Chaoyang, Xu Yun and others on the side also nodded.
Academician Pan's words were really not meant to set off Jiang Chenggu, but they could indeed understand Weng Tong's mood.
For example, Dias previously claimed to have achieved room-temperature superconductivity, and teams at home and abroad immediately started reproduction experiments within a few hours.
For example, Cheng Jinguang's team at the Institute of Physics was called to the laboratory urgently when some members were still playing games. So when you encounter a friend who has Xin Zhao disconnected during the Ionia Brawl at around 8 pm on March 9, 2023, don’t rush to scold him, your teammate is really doing something big...
By the way.
Up to now.
Three domestic teams, including Professor Wen Haihu’s team, researcher Cheng Jinguang’s team, and researcher Jin Changqing’s team from the Institute of Physics, have falsified Dias’ experimental results.
Of course.
Dias was also vaccinated, saying that nitrogen doping must be controlled very carefully.
In addition, under normal circumstances, the combination of Lu element and H element to form LuH3 generally requires a high temperature above 650°C. However, Dias successfully prepared Lu-HN at 65°C and refused to disclose the principle. Maybe it was the appearance of Lord Shiva.
As the saying goes, sincerity leads to success, cough cough
alright.
His eyes returned to reality.
Then Jiang Chenggu led the group for a short distance and soon arrived near the area where the apse was located.
At this moment.
Weng Tong was standing next to the apse with Tong Huaijun, holding a prop like an electric mosquito swatter in his hand, waving it back and forth at the shell of the apse.
Seeing this, Xu Yun stopped a few meters away from them and asked slightly curiously:
"Uncle Weng, what are you doing..."
Weng Tong turned to look at him, pointed at a digital display screen on his waist and explained:
"This is an air-tightness detection device. It is surrounded by highly sensitive sensors that can detect the air flow on both sides."
"If the circulation number in any area is higher than 0.07P, which is the value on the normal windward side, it means there is a gap there."
"In this case, we must fill the air gaps in time."
"So that's what happened...
Xu Yun nodded thoughtfully, then looked around and asked again:
"So Uncle Weng, when will the back hall be opened?"
Although Jiajing's body in the emperor's coffin has most likely turned into withered bones, the 'elixir', 'emperor's crown' and Jiajing's feather coat in the coffin are all very precious cultural relics.
If you don’t open Yongling, it’s still okay.
But now that the Yongling Tomb has been opened and the apse has been moved to the ground, these things must be taken out. "Are you opening the palace?"
When Weng Tong heard this, he stopped what he was doing, patted the side wall of the apse, and said to Xu Yun:
"Although there are not many cultural relics in the apse, considering our current open-air conditions, we should at least wait until the Bronze Hall is excavated before opening it."
"After all, there is a lot of pressure from the outside. Once cultural relics are damaged, it is estimated that many trolls who have been silent until now will appear."
"Besides, what we need to do is indeed a protective excavation. It would be a bit disrespectful to open Jiajing's grave. Their bones must be protected no matter what, right?"
Xu Yun thought for a while, and it seemed to be the truth.
Due to professional barriers, he personally does not know much about the relevant processes of anticorrosion of cultural relics.
But according to a lot of information he had seen before, many cultural relics generally oxidize very quickly after being unearthed. Although they will not turn into fly ash in the blink of an eye, they will basically show serious appearance within 1-3 minutes. question.
Therefore, how to ensure that the emperor's coffin, the elixir inside the emperor's coffin, the emperor's crown and even the remains of Jiajing and the four queens will not be damaged are all aspects that need to be discussed carefully.
Perhaps Weng and the others have discussed specific plans in the past period, but most of them don't seem to be low-tech actions that can be done in the open air.
Figured this out.
Xu Yun then obediently silenced his voice and watched Weng Tong and others' tests from the side.
I don’t know if it’s just luck.
There were no structural problems in the apse where the Jiajing coffin was located. The marble inside the tomb was very tightly fitted, much better than the previous Dingling Tomb.
Some engineers believe that this has something to do with the arched structure of the apse. After all, the arched structure is a well-known bending component and the structure is quite stable.
When the water is not completely capped, the entire apse is actually equivalent to the bottom of the arch bridge.
Therefore, it is not difficult to understand that there is no structural damage to the apse.
About an hour passed.
The soil layer in the apse has been completely cleaned.
With the cooperation of the staff, the entire building was sealed with another foamed silicone material with strong air tightness.
Finish these.
Xu Yun followed Weng Tong and others back to the bottom of the foundation pit.
Students with good memory should remember it.
During the previous excavation of the apse, the left, right and rear sides were excavated directly to the bottom. So when the apse was lifted up by a crane.
There is no need to expand the foundation pit, and the excavator can be directly placed on the left, right and rear open spaces and start digging downwards.
In addition, the bottom area of the Bronze Hall is only over 60 square meters, about the same size as a high school classroom, so the entire excavation progressed very quickly.
Less than two hours.
The excavator's bucket successfully dug to half a meter above the copper hall.
At this point.
What happens next is very simple.
Zhang Ziang and others conducted a round of engraving that was exactly the same as that of the apse—first, they excavated the four sides with machines, and then manually excavated the top of the copper hall.
Although he was a little exhausted mentally, Xu Yun still insisted on becoming a member of the labor team.
After all life
It just needs to have a sense of ceremony.
Compared with the soil layer of the apse, the soil in the area where the Copper Palace is located is obviously more humid. It is unknown whether it is caused by the seepage of the Nine Palaces Underground Palace or the groundwater.
"Hey!"
Xu Yun rolled up his sleeves and dug down for about ten minutes. The shovel suddenly hit something hard, and a dull metal sound sounded on the contact surface.
Xu Yun was shocked when he saw this and quickly pulled the soil a few times.
After a while.
A metal surface buried in the soil appeared in front of him.
Because the soil is moist.
The metal surface is covered with a thick green rust stain, and an ancient atmosphere that has been dusted by time suddenly hits your face.
Although Xu Yun was not a top student majoring in chemistry, he recognized Xiban’s identity at a glance:
Basic copper carbonate.
This thing is a standard product of copper in humid environments. It is often found on the surface of bronzes in humid soil and in the fan fiction of "Shading the Sky".
The method of treating patina is actually very simple. Just soak it in vinegar for a day and then clean it with a brush.
Of course.
Seeing this, some students may have questions:
No, isn't it said that the Copper Palace in Wudang Mountain is also made of pure copper? Why hasn't it rusted after hundreds of years? the reason is simple.
The interior of the Wudang Mountain Bronze Hall is made of copper, but the exterior is gilded.
Ancient gilding was a mixture of gold and mercury, which was then heated to evaporate the mercury, allowing the gold to adhere to it and prevent it from falling off.
So hundreds of years passed.
There is no rust at all on the surface of the Wudang Mountain Bronze Hall, but the color of the bronze statue has changed to copper color, so it is also called the copper statue.
His eyes returned to reality.
Although Xu Yun wanted to get rid of the patina now, he still maintained some basic sanity.
The current situation is the same as the previous apse. The Copper Hall is not suitable for processing in the foundation pit - after all, the things inside the Copper Hall are more important.
Therefore, he could only bring his attention back to reality and continue to manually clean up the sand.
after an hour.
All the sand and stones on several sides of the Bronze Hall have been cleaned up, and its appearance is completely presented to everyone:
This is a large copper box about 7X7X3. The outside is covered with a patina that is very unfriendly to patients with trypophobia. It looks inexplicably permeable.
However, Zhang Ziang didn't care about this.
He calmly reproduced the previous operation and asked the ZAT18000H crane to lift the copper palace again.
On to the ground.
Compared with the larger apse, the copper hall is much less difficult to operate.
Within a few minutes, it was safely placed on the ground by a crane.
Xu Yun paid attention to the entire operation, but what surprised him was that
After landing in the Copper Palace.
He did not receive the notification about the completion of the "Yongle Dian" mission.
Could it be...
The "Yongle Dadian" that Halo refers to is now in the world, and does not mean that the book has been unearthed.
But...
Will the books be completely taken out of the Bronze Palace?
Note:
Let me tell you a very outrageous thing. I have checked a lot of crane-related data these days - especially the reports.
price, and then I received a call yesterday asking me if I wanted to buy a crane.
Updates will start tomorrow.
